45361.Which of the following will form a new species ?
inter breeding
variations
differential reproduction
none of the above
Assertion (A) Death is a meaningful event.
Reason (R) The number of living individuals of each species remains limited through death and components of body further turn to environment
Reason (R) The number of living individuals of each species remains limited through death and components of body further turn to environment
45424.Assertation (A) Herbarium is a store house of plant specimens collected from different localities
Reason (R) In Herbaria, specimens are preserved in specific methods
Reason (R) In Herbaria, specimens are preserved in specific methods
A and R both are true and R is correct explanation of A
A and R both are true and R is not correct explanation of A
If A is true and R is wrong
If A is wrong and R is true
45480.Who is the “Father of Taxonomy” among the following ?
Linnaeus
Aristotle
Maheshwari
Birbal Sahani
45481.According to Whittaker’s classification, prokaryotes are placed in ________
Monera
Plantae
Protista
Animalia
45674.Sieve tuabe is characterized by
Presence of lignin
Absence of Cytoplasm
Presence of Pectin
Absence of Nuclens
45782.Which tissue occurs with in the passages of the excretory organs :-
Ciliated Stratified epithelium
Squamous Stratified epithelium
Transitional epithelium
Cuboidal Stratified epithelium
45783.Which pair of structures distinguishes a nerve cell from other cells.
Vacuole and fibres
Nucleus and mitochondria
Perikaryon and dendrites
Flagellum and medullary sheath